Graph the equation by plotting points. Use values of ? that are multiples of 30°.r = 2 cos ?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Maria and Charlie can deliver 90 papers in 3 hours. How long would it take them to deliver 111 papers?
A. 3.7 hours B. 2.4 hours C. 4.9 hours D. 333 hours
Mathematics
Add or subtract as indicated. Simplify the result, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Graph f(x) by rewriting f(x) = (ax + b)/(x + c) in f(x) = a + d/(x + c) form.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Multiply the expressions.(r - 10)2
A. 100r2 - 20r + 100 B. r2 + 100 C. r2 - 20r + 100 D. r + 100
Mathematics